mouevent2.java

GUI事件处理例子

import java.awt.*;
import java.awt.event.*;
public class MouEvent2 extends Frame implements MouseMotionListener{

	static MouEvent2 frm=new MouEvent2();
	   static TextArea txa;
	   static TextField txt1,txt2;
	   public static void main(String args[])
	  {
	  	 frm.setTitle("MouEvent");
	  	 frm.setSize(240,200);
	  	 frm.setLayout(new FlowLayout());
	     txa=new TextArea(5,30);
	     txt1=new TextField(30);
	     txt2=new TextField(30);
	  	 txa.setEditable(false);
	  	 txa.addMouseMotionListener(new WinAdapter());
	  	 
	  	 frm.add(txa);
	     frm.add(txt1);
	     frm.add(txt2);
	     frm.setVisible(true);
	   }
	 
	 static class WinAdapter extends WindowAdapter {

	 
	 public void mouseMoved(MouseEvent e)    //处理鼠标移动事件
	  {  
	      txt1.setText("Mouse is moved in txa");
	   }
	  public void mouseDragged(MouseEvent e)    //处理鼠标拖动事件
	  {  
	      txt2.setText("Mouse is dragged in txa");
	   }
   }
}